1 .
In the long-run equilibrium, a competitive firm earns
A.  Super-normal profit
B.  Profits equal to other firms
C.  Normal profit
D.  No profit
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2 .
If the diameter of a capillary is doubled, then the rise of water in it will be
A.  two times
B.  half
C.  four times
D.  no change
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3 .
A Black Market is a situation wherein
A.  Goods are loaded by the producers
B.  Goods are sold secretly
C.  Goods are sold at prices higher than what is fixed by the Government
D.  Goods are made available (sold) only after there is a rise in prices
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4 .
What is 'milk of magnesia' chemically ?
A.  Magnesium carbonate
B.  Sodium bicarbonate
C.  Calcium hydroxide
D.  Magnesium hydroxide
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5 .
Eyes of potato are useful for
A.  Nutrition
B.  Respiration
C.  Reproduction
D.  Vegetative propagation
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6 .
What is the normal blood sugar level of a human being ?
A.  Close to 10 mg/ml
B.  120 - 150 mg/dl
C.  80 - 90 mg/dl
D.  150 - 200 mg/dl
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7 .
PVC is obtained by the polymerization of
A.  Propane
B.  Vinyl chloride
C.  Styrene
D.  Acetylene
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8 .
The snow on the mountains does NOT melt all at once when it is heated by the sun because
A.  it becomes very hard
B.  it reflects most of the heat from the sun
C.  it has a low specific heat capacity
D.  it has a high latent heat of fusion
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9 .
Two waves, each of the amplitude 1.5 mm and frequency 10 Hz, are travelling in opposite direction with a speed of 20 mm/ s. The distance in mm between adjacent nodes is
A.  1.0
B.  1.2
C.  1.5
D.  2.0
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10 .
The state that is giving Rs. 1 Lac to the Alcohol free village ?
A.  Jharkhand
B.  Bihar
C.  MP
D.  UP
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